/*尚未勾选样式*/
.squareCheckBox::before{
  content: '';
  position: absolute;
  top:50%;
  left:0;
  border-radius: 2px;
  transform: translateY(-50%);
  width:16px;
  height:16px;
  border: 1px solid #dcdee2;
}
/* hover 效果 */
.squareCheckBox:hover::before {
  background: linear-gradient(145deg, #fafafa, #eaeaea);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1),
              inset 1px 1px 2px rgba(0,0,0,0.05);
}
/*勾选背景色*/
.checkedBox::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  border-radius: 3px;
  /* 主色调接近 #1890ff，稍微加一点渐变层次 */
  background: #1890ff;
  border: 1px solid #1890ff;
  /* box-shadow: inset 1px 1px 2px rgba(255,255,255,0.3),
              inset -1px -1px 2px rgba(0,0,0,0.1),
              0 2px 5px rgba(24,144,255,0.35); */
  transition: all 0.25s ease;
}
/* 对勾 */
.checkedBox::after {
  content: '';
  position: absolute;
  width: 10px;
  height: 5px;
  left: 9px;
  top: 9px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: translate(-48%, -60%) rotate(-45deg) scale(0.9);
  opacity: 0;
  transition: all 0.25s ease;
}
.checkedBox:hover::after,
.checkedBox::after {
  opacity: 1;
  transform: translate(-48%, -60%) rotate(-45deg) scale(1);
}